Processing Machinery
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PARA High-Temperature Application Verification
Problem Phenomenon
Performance decay in PARA high-temperature applications; insufficient thermal aging and service condition verification.
Cause Analysis
PARA heat deflection temperature is 230°C but long-term high temperature causes aging; actual service temperature; reinforced grade differences; life evaluation.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solution
①Select material by long-term temperature; ②Thermal aging data verification; ③Reinforced grade matching; ④Service performance tracking.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PARA high-temperature applications must distinguish short-term from long-term resistance; aging data is the design basis; tracking verification ensures reliability.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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